Nipple clamp – is a metal or plastic fastener that pinches male or female nipples for stimulating this erogenous zone.
They are usually used as a part of BDSM activity and allow changing the pressure level. There are different types of clamps according to the method of attachment: clover, alligator, tweezer, etc.
Nipple clamps can come with or without any jewelry or chain to accentuate the sex appeal of the wearer. There are also vibrating nipple clamps for massaging nipples during the foreplay or intercourse.